selected papers from North American conference on labor statistics 

 - Washington, D.C. :  United States Department  of Labour,  1979 
 - iii, 300 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour--statistics
<br/><br/><label>Dewey Class. No.: </label>331.097